Tz50 JTAG Mode
| Symbol | Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| fTCK | TCK frequency. | – | – | 10 | MHz |
| TCK frequency (1.8 V). | – | – | 3 | MHz | |
| tTDISU | TDI setup time.1 | 15 | – | – | ns |
| tTDIH | TDI hold time.1 | 2.5 | – | – | ns |
| tTMSSU | TMS setup time.1 | 15 | – | – | ns |
| tTMSH | TMS hold time.1 | 2.5 | – | – | ns |
| tTCKTDO | TCK falling edge to TDO output.1 | – | – | 30 | ns |
| tDMIN | Minimum time between deassertion of CRESET_N to the start of JTAG configuration. | 32 | – | – | μs |
Important: The SPI bus must be inactive during JTAG configuration.
The
EXT_CONFIG_CLK pin must be inactive during JTAG
configuration.1 Applicable for all voltage ranges.